USE OF DIFFERENTIAL-PULSE POLAROGRAPHY TO STUDY CORROSION OF GALVANIZED STEEL IN AQUEOUS LITHIUM BROMIDE SOLUTION

被引：24

作者：

GARCIAANTON, J ^{[1
]}

PEREZHERRANZ, V ^{[1
]}

GUINON, JL ^{[1
]}

LACOSTE, G ^{[1
]}

机构：

[1] ENSIGC,TOULOUSE,FRANCE

来源：

CORROSION | 1994年 / 50卷 / 02期

关键词：

DIFFERENTIAL PULSE POLAROGRAPHY; DYNAMIC CORROSION; ENERGY DISPERSIVE X-RAY ANALYSIS; GALVANIZED STEEL; LITHIUM BROMIDE; MORPHOLOGY; OXIDATION; STAINLESS STEEL; STATIC CORROSION; TEMPERATURE; X-RAY DIFFRACTOMETRY; ZINC; ZINC HYDROXIDE;

D O I：

10.5006/1.3293506

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Static and dynamic corrosion of galvanized steel in 4.6 M lithium bromide (LiBr) solution at 20 degrees C and at 70 degrees C was studied using a new polarographic method for the determination of zinc (Zn) in LiBr solution. Static and dynamic corrosion of galvanized steel at 20 degrees C and 70 degrees C followed a linear tendency with exposure time. However, a change in the slope of dynamic corrosion was observed at 20 degrees C. The corrosion product was studied using energy dispersive x-ray analysis (EDXA) and x-ray diffractometry and was considered to be a mixture of zinc hydroxide Zn(OH)(2) and oxides. The corrosion product morphology was amorphous and gelatinous at 20 degrees C and crystalline at 70 degrees C.

引用

页码：91 / 97

页数：7

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